diff -r d334a616c023 -r e16a97fb364a src/cm/media/js/lib/yui/yui3-3.15.0/build/parallel/parallel.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cm/media/js/lib/yui/yui3-3.15.0/build/parallel/parallel.js	Mon Mar 10 15:19:48 2014 +0100
@@ -0,0 +1,107 @@
+YUI.add('parallel', function (Y, NAME) {
+
+
+/**
+* A concurrent parallel processor to help in running several async functions.
+* @module parallel
+* @main parallel
+*/
+
+/**
+A concurrent parallel processor to help in running several async functions.
+
+    var stack = new Y.Parallel();
+
+    for (var i = 0; i < 15; i++) {
+        Y.io('./api/json/' + i, {
+            on: {
+                success: stack.add(function() {
+                })
+            }
+        });
+    }
+
+    stack.done(function() {
+    });
+
+@class Parallel
+@param {Object} o A config object
+@param {Object} [o.context=Y] The execution context of the callback to done
+
+
+*/
+
+Y.Parallel = function(o) {
+    this.config = o || {};
+    this.results = [];
+    this.context = this.config.context || Y;
+    this.total = 0;
+    this.finished = 0;
+};
+
+Y.Parallel.prototype = {
+    /**
+    * An Array of results from all the callbacks in the stack
+    * @property results
+    * @type Array
+    */
+
+    results: null,
+    /**
+    * The total items in the stack
+    * @property total
+    * @type Number
+    */
+    total: null,
+    /**
+    * The number of stacked callbacks executed
+    * @property finished
+    * @type Number
+    */
+    finished: null,
+    /**
+    * Add a callback to the stack
+    * @method add
+    * @param {Function} fn The function callback we are waiting for
+    */
+    add: function (fn) {
+        var self = this,
+            index = self.total;
+
+        self.total += 1;
+
+        return function () {
+            self.finished++;
+            self.results[index] = (fn && fn.apply(self.context, arguments)) ||
+                (arguments.length === 1 ? arguments[0] : Y.Array(arguments));
+
+            self.test();
+        };
+    },
+    /**
+    * Test to see if all registered items in the stack have completed, if so call the callback to `done`
+    * @method test
+    */
+    test: function () {
+        var self = this;
+        if (self.finished >= self.total && self.callback) {
+            self.callback.call(self.context, self.results, self.data);
+        }
+    },
+    /**
+    * The method to call when all the items in the stack are complete.
+    * @method done
+    * @param {Function} callback The callback to execute on complete
+    * @param {Mixed} callback.results The results of all the callbacks in the stack
+    * @param {Mixed} [callback.data] The data given to the `done` method
+    * @param {Mixed} data Mixed data to pass to the success callback
+    */
+    done: function (callback, data) {
+        this.callback = callback;
+        this.data = data;
+        this.test();
+    }
+};
+
+
+}, '@VERSION@', {"requires": ["yui-base"]});